过氧化二异丙苯
- 网络DCP;Dicumyl peroxide
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讨论了过氧化二异丙苯(DCP)交联聚乙烯(XLPE)的工艺、凝胶率对XLPE力学性能及结晶度等的影响。
The influences of the technology of DCP crosslinked XLPE and gel rate on mechanical properties and crystallinity of XLPE were discussed .
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用过氧化二异丙苯(DCP)作为引发剂,采用双螺杆反应挤出的苯乙烯、马来酸酐2种单体同时接枝聚丙烯。
Using DCP as the initiator , polypropylene was modified by simultaneous grafting with maleic anhydride and styrene by extrusion .
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使用了硫磺(S)和过氧化二异丙苯(DCP)两种硫化体系。
A sulphur curing system and peroxide curing system were used for comparison .
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以过氧化苯甲酰(BPO)、过氧化二异丙苯(DCP)为引发剂,用固相接枝法在聚丙烯(PP)粉表面接枝马来酸酐(MAH)。
MAH was grafted on PP powder surface by solid phase graft copolymerization with BPO and DCP as initiators .
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研究了过氧化二异丙苯(DCP)含量对PE-HD凝胶含量的影响。
The effect of dicumyl peroxide ( DCP ) content on gel fraction of PE-HD was investigated .
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固定交联剂过氧化二异丙苯(DCP)用量为2份,当体系中POE与EPDM的质量比为40/20时,材料的综合性能最佳。
When the DCP content was 2 phr and the POE / EPDM mass ratio was 40 / 20 , the system had the best performance .
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以过氧化二异丙苯(DCP)为引发剂,在转矩流变仪中制备了PS-g-AA接技物。
The grafter , PS-g-AA , was prepared in torque rheometer with DCP as initiator .
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研究了纳米SiO2改性的质量分数和马来酸酐/苯乙烯/过氧化二异丙苯(MAH/St/DCP)多单体熔融接枝、交联的改性方法对TPV力学性能的影响;
The effects to mechanical properties were investigated by analyzing the mass ratio of nano-silica and the modification of MAH / St / DCP multi-monomer melt grafting .
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系统研究了单体MAH、St、引发剂过氧化二异丙苯(DCP)和助剂用量对MAH接枝率以及PP降解和交联的影响,并对其影响因素作了分析。
The influences of amount of MAH , St , DCP and the assistant on the grafting ratio , degradation and cross linkage are investigated and influential factors are analyzed .
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详细考察了过氧化二异丙苯(DCP)用量、MAH/DCP配比以及挤出条件对接枝产物接枝率和熔体粘度的影响。
The effects of added amount of DCP , the ratio of MAH / DCP , and extrusion conditions on grafting ratio and melt viscosity of products were investigated .
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结果表明,硅烷用量一定,交联剂过氧化二异丙苯(DCP)用量很小时(0.005phr),熔体的扭矩随时间增长缓慢;
The results indicated when the content of vinyl silane was invariable and DCP content was 0.005 phr , the torque of the melt increased slowly with the protraction of time ;
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研究了在过氧化物硫化丁苯橡胶(SBR)中,过氧化二异丙苯(DCP)用量和甲基丙烯酸镁(Mg(MAA)2)用量对SBR力学性能、动态力学性能和交联结构的影响。
The mechanical properties , dynamic mechanical properties and crosslink network structure of dicumyl peroxide ( DCP ) cured styrene butadiene rubber ( SBR ) reinforced by magnesium mathacrylate ( Mg ( MAA ) 2 ) were studied .
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交联前后柱极性无明显变化,其中以过氧化二异丙苯(DCUP)、臭氧(O3)作交联引发剂的交联效果优于偶氮特丁烷(ATB),但后者有较高柱效。
It demonstrated that the columns crosslinked with dicumyl peroxide , ozone as initiators were better than those with azo tert-butane while the latter had higher column efficiency .
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本文以过氧化二异丙苯为引发剂,用反应挤出法制备了甲基丙烯酸环氧丙酯(GMA)官能化的聚丙烯(PP-g-GMA)。
In this work , functionalized polypropylene ( PP ) with glycidyl methacrylate ( GMA ) was prepared through reactive extrusion by using dicumyl peroxide ( DCP ) as an initiator .
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结果表明:马来酸酐接枝率随MAH添加量或引发剂过氧化二异丙苯(DCP)的添加量的增加而提高,但是添加量过多时,接技率增加速率变慢;
It was found that the degree of grafting ( DG ) of MAH sharply increases with increasing loading of MAH or initiator Dicumyl peroxide ( DCP ), but when MAH or DCP loading is overplus , it becomes smooth .
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因此,采用动态硫化法制备高性能EPDM/PP热塑性弹性体具有重要的研究意义和应用前景。本文首先采用不同过氧化二异丙苯(DCP)含量的硫化体系对EPDM/PP共混物进行动态硫化。
So the research of dynamic vulcanization in producing high performance EPDM / PP thermal plastic elastomer is significant and promising . First , the dynamic vulcanizate EPDM / PP blends with different content of DCP have been studied .
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在过氧化二异丙苯(DCP)存在或不存在条件下,制备了丙烯酸(AA)改性Sb2O3/聚丙烯(PP)母料、上溴联苯醚/PP母料及其相应的卤锑阻燃PP。
This paper prepared Sb_2O_3 / polypropylene ( Sb_2O_3 / PP ) masterbatch modified by acrylic acid ( AA ) in the absence or presence of dicumyl peroxide ( DCP ), decabromodiphenyl oxide / PP ( DBDPO / PP ) masterbatch and the corresponding antimony halide-based flame retardant PP.
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用酸碱滴定法和FT-IR测定SEBS-g-MAH的接枝率,同时考察不同反应条件:反应时间、反应温度、MAH量、过氧化二异丙苯(DCP)量对SEBS-g-MAH的接枝率和接枝效率的影响。
The graft degree of SEBS-g-MAH was determined by FT-IR and acid-base titration . The influences of time and temperature of the reaction , the concentration of MAH and DCP on the graft rate and grafting efficiency of SEBS-g-MAH were investigated .
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研究了马来酸酐/苯乙烯/过氧化二异丙苯(MAH/St/DCP)多单体就地熔融接枝、交联对TPE力学性能、耐溶剂性能和耐热变形性能的影响,并用SEM分析了TPE的断面形貌。
The effects of the modification of nano-silica and MAH / St / DCP multi-monomer melt grafting and cross-linking on the mechanical properties , the resistance to solvent and resistance to thermal distortion of TPE were investigated . SEM was used to study the morphology structure of TPE .
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在天然橡胶(NR)混炼过程中加入氧化锌与甲基丙烯酸(MAA),在橡胶基体中原位生成甲基丙烯酸锌(ZDMA),并在硫化剂过氧化二异丙苯作用下制备NR/ZnO/MAA硫化胶。
Zinc dimethacrylate ( ZDMA ) was in-situ prepared in a mixing process of natural rubber with ZnO and methacrylic acid ( MAA ) and used to obtain NR / ZnO / MAA vulcanizate in the presence of dicumyl peroxide ( DCP ) as a curing agent .
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安息香乙醚引发的交联型聚氨酯漆膜与过氧化二异丙苯引发所得到的电泳膜相比,硬度明显提高。
The hardness of electrophoretic film initiated by ethoxybenzoin was better .
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α-甲基苯乙烯合成过氧化二异丙苯工艺研究
Study on the Synthetic Technology of Dicumyl Peroxide from α Methyl Styrene
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以过氧化氢为原料的过氧化二异丙苯合成法
Synthesis of Dicumyl Peroxide Using Hydrogen Peroxide as Raw Material
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过氧化二异丙苯在聚乙烯切片中的热降解动力学
Thermal Degradation Kinetics of Dicumyl Peroxide in Polyethylene
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聚碳硅烷/过氧化二异丙苯的交联
The crosslinking between Polycarbosilane and dicumylperoxide
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过氧化二异丙苯的热分解动力学研究
Thermal decomposition kinetics of dicumyl peroxide
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实验结果表明:使用1,4-双叔丁基过氧异丙基苯做为交联剂的硫化胶不仅在综合性能上优于过氧化二异丙苯,而且也避免了刺鼻异味的产生。
The results show that , compared with dicumyl peroxide , 1,4-Bis ( tert-butyl peroxy diisopropyl ) benzene can improve the integrate function , it also do not give off smelly gas .
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采用熔融接枝法制备了聚丙烯接枝甲基丙烯酸β-羟乙酯,考察了反应温度、反应时间、甲基丙烯酸β-羟乙酯及过氧化二异丙苯浓度对甲基丙烯酸β-羟乙酯接枝率的影响。
The melt grafting of HEMA onto polypropylene was studied . The effects of reaction time 、 reaction temperature 、 concentration of HEMA and DCP on the degree of grafting were examined .
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通过改变白炭黑、乙炔炭黑、过氧化二异丙苯和氧化铁的用量,以正交实验设计法对硅橡胶的导电性以及综合性能加以研究。
Effects of the variations in loading levels of silica , acety lene black , dicumyl peroxide and ferric oxide on the conductivity and mechanical properties of silicone rubber was studied by orthogonal testing design .
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将负载有丙烯酰胺和过氧化二异丙苯的蒙脱土与PE/PVC在双辊上混合,通过双辊的剪切作用进行插层复合。1、双螺杆挤出机的混合效果要好于双辊开炼机;
Under the shearing force of the two rollers , PE / PVC had intercalated into the montmorillonites . The results show that : 1 , The blending effect when by the double screws is better way than that by the hot-rolls ;